/Engine/Source/Developer/Localization/Public/LocTextHelper.h
This should only be used to upgrade old non-keyed archive entries when importing legacy data.
True if keys were found, false otherwise.
static bool FindKeysForLegacyTranslation ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< const [FInternationalizationManifest](API\Runtime\Core\Internationalization\FInternationalizationManifest) > & InManifest, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< const [FInternationalizationArchive](API\Runtime\Core\Internationalization\FInternationalizationArchive) > & InNativeArchive, const [FLocKey](API\Runtime\Core\Internationalization\FLocKey) & InNamespace, const [FString](API\Runtime\Core\Containers\FString) & InSource, const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FLocMetadataObject](API\Runtime\Core\Internationalization\FLocMetadataObject) > InKeyMetadataObj, [TArray](API\Runtime\Core\Containers\TArray)< [FLocKey](API\Runtime\Core\Internationalization\FLocKey) > & OutKeys )